What you are talking about is optical illusions, your eyes playing tricks on you. I think when you do LSD a lot you start to notice the light reacting with objects and patterns around you. I think it is totaly normal you're just looking for it now!
But yeah, get some new curtains, lol. 
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What you're tryin to say, is you don't want to play, what you want and what you need, don't mean a fuck to me, I-can-see-your, back-is-turning, if-I-could-I'd, stick-a-knife-in!
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